Gate Characteristics of Thyristor
Gate Characteristics of Thyristor: In order to trigger a thyristor, a positive gate to cathode voltage, Vg, and positive gate to cathode current Ig is applied. Both Vg and Ig…
Continue readingSwitching Characteristics of Thyristor
Switching Characteristics of Thyristor: The thyristor is subjected to various voltages or currents during its turn-on and turn-off processes. Due to the applied voltage and current variation, we obtain the…
Continue readingSingle Phase Semi Converter
Single-Phase Semi Converter: Single Phase Semi Converter is also known as a half-controlled converter. A single-phase half controlled or semi converter utilizes SCRs(thyristor) and diodes to convert AC power to…
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Single-Phase Full Converter: Single-Phase Full Converter converts the AC signal to DC signal and utilizes thyristor only. The utilization of thyristor only for the conversion process makes it fully controllable…
Continue readingThyristor Protection
Thyristor Protection: Thyristor protection is needed to ensure that its specified ratings are not exceeded during its operation. We apply the following measures for thyristor protection. di/dt Protection When VAK> 0…
Continue readingThyristor Triggering Methods
Thyristor Triggering Methods: We make use of various thyristor triggering methods to turn on the thyristor or to make the thyristor work in the conduction mode of operation. When (voltage…
Continue readingWhat is Thyristor?
Thyristor: Bell laboratories were the first to fabricate a silicon-based semiconductor device called thyristor. Semiconductor devices having characteristics similar to thyristor are TRIAC, DIAC, silicon controlled switch, GTO, RCT, etc….
Continue readingPower Diode
Power Diode: A power diode is a p-n junction device that has some constructional changes compared to low power signal diodes and is rated for kilovolts, kilo amperes, and kilowatts….
Continue readingHarmonics
Harmonics: Harmonics are the non-fundamental components of current or voltage injected into the system due to switching or non-linear load connected in the system. Due to this current and voltage…
Continue readingPower Electronics
Power Electronics: Power electronics is a subject that deals with apparatus or equipment that are working on the principle of Electronics but at high power level than signal power level….
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